49049728220 has 24 divisors (see below), whose sum is σ = 103050528000. Its totient is φ = 19611110592.

The previous prime is 49049728219. The next prime is 49049728229. The reversal of 49049728220 is 2282794094.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49049728229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502895 + ... + 592454.

It is an arithmetic number, because the mean of its divisors is an integer number (4293772000).

Almost surely, 2^49049728220 is an apocalyptic number.

It is an amenable number.

49049728220 is an abundant number, since it is smaller than the sum of its proper divisors (54000799780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49049728220 is a wasteful number, since it uses less digits than its factorization.

49049728220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097597 (or 1097595 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 49049728220 in words is "forty-nine billion, forty-nine million, seven hundred twenty-eight thousand, two hundred twenty".